@article{RSMUP_1981__65__77_0,
     author = {Mazzanti, Giuliano and Mirolli, Massimo},
     title = {L\"ob operators and interior operators},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {77--84},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {65},
     year = {1981},
     mrnumber = {653284},
     zbl = {0484.03035},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1981__65__77_0/}
}